Immediately an impact player as a
freshman, Walker played on four Holy Cross squads that won at least
20 games and went 87-34 overall. She broke out as a
sophomore with a team-leading 19-point performance in a victory
over previously undefeated LaSalle, but it was in her senior year
in which her greatest accolades would come.
As a senior tri-captain, she led the Crusaders with 19 points in a 78-67 upset over No. 6 Rutgers at the Hart Center during the regular season. She topped that performance with 26 points to help the Crusader rally back from an 11-point second-half deficit to defeat Maryland 81-74 to earn Holy Cross its first ever NCAA Tournament victory. In her senior season, she led the Crusaders to a program-best 25 victories while being selected Patriot League Player of the Year, First Team All-Patriot League, Patriot League Tournament MVP, First Team All-ECAC, and the recipient of the Judge John P. Cooney Award.
Walker graduated as the fifth leading scorer in Holy Cross history with 1,217 points. She also left Holy Cross as the all-time steals leader with 208. After leaving Holy Cross with a degree in psychology, Warner earned a master's degree and embarked on a coaching career at the collegiate level.